Vulnary
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Critical· 9official fix available

CVE-2026-57828

The Phoca Downloads extension for Joomla (specifically the RSFiles component) contains an authenticated arbitrary file upload vulnerability in versions prior to 6.1.3. A registered user can upload executable files, which can lead to full remote code execution. The vulnerability is rated critical with a CVSS base score of 9.0 and is not currently listed in CISA KEV.

publishedJul 11, 2026
last modifiedJul 23, 2026
sourcesNVD
severity · cvss
9
critical · how bad it is
exploitation · epss
<1%
30th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 23, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Users of the Phoca Downloads (RSFiles component) Joomla extension running versions earlier than 6.1.3.

02

Real-world impact

An attacker with a legitimate user account could upload malicious files and execute arbitrary code on the server, potentially compromising the entire site.

03

Why this severity

CVSS v4.0 metrics show network attack vector, low attack complexity, presential attack requirements, low privileges, no user interaction, and high impacts across confidentiality, integrity, availability, and subsequent system properties, resulting in a critical score.

04

What to do about it

official fix available
recommended steps
  1. 011. Upgrade the Phoca Downloads (RSFiles component) to version 6.1.3 or later via the Joomla extension manager or the vendor’s download page.

NVD-referenced vendor advisory (version constraint '< 6.1.3' indicates fix in 6.1.3 or later)

05

Timeline

  1. Jul 11, 2026 · 24d ago
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 23, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 24, 2026 · 11d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsPresent
Privileges requiredLow
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
CVE-2026-57828: The Phoca Downloads extension for Joomla (specifically the RSFiles com · Vulnary